Home / 694,041.80-957,780.28-403,723.04

Finding the Fourth Proportional to 694,041.80, 957,780.28 and 403,723.04

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Solution

The fourth proportional to 694,041.80, 957,780.28 and 403,723.04 is: 557,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,041.80 : 957,780.28 = 403,723.04 : x
  2. Step 2: Convert to fraction form
    694,041.80/957,780.28 = 403,723.04/x
  3. Step 3: Cross multiply
    694,041.80x = 957,780.28 × 403,723.04
  4. Step 4: Simplify right side
    694,041.80x = 386,677,966,293.65
  5. Step 5: Solve for x
    x = 386,677,966,293.65/694,041.80
  6. Step 6: Final answer
    x = 557,139.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.